1//Remove specific value by index
2array.splice(index, 1);

1var colors = ["red","blue","car","green"];
2var carIndex = colors.indexOf("car");//get  "car" index
3//remove car from the colors array
4colors.splice(carIndex, 1); // colors = ["red","blue","green"]

1
2var list = ["bar", "baz", "foo", "qux"];
3list.shift()//["baz", "foo", "qux"]

1const index = array.indexOf(item);
2if (index !== -1) array.splice(index, 1);

1const array = [1, 2, 3];
2const index = array.indexOf(2);
3if (index > -1) {
4  array.splice(index, 1);
5}

1var months = [
2      'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
3      'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
4    ];